crystall-punk-14/Content.Shared/_CP14/Currency/CP14SharedCurrencySystem.cs

using System.Text;
using Content.Shared.Stacks;
using Robust.Shared.Prototypes;
namespace Content.Shared._CP14.Currency;

public partial class CP14SharedCurrencySystem : EntitySystem
{
    public static readonly KeyValuePair<EntProtoId, int> CP = new("CP14CopperCoin1", 1);
    public static readonly KeyValuePair<EntProtoId, int> SP = new("CP14SilverCoin1", 10);
    public static readonly KeyValuePair<EntProtoId, int> GP = new("CP14GoldCoin1", 100);
    public static readonly KeyValuePair<EntProtoId, int> PP = new("CP14PlatinumCoin1", 1000);

    public string GetCurrencyPrettyString(int currency)
    {
        var total = currency;

        if (total <= 0)
            return string.Empty;

        var gp = total / 100;
        total %= 100;

        var sp = total / 10;
        total %= 10;

        var cp = total;

        var sb = new StringBuilder();

        if (gp > 0)
            sb.Append( " " + Loc.GetString("cp14-currency-examine-gp", ("coin", gp)));
        if (sp > 0)
            sb.Append( " " + Loc.GetString("cp14-currency-examine-sp", ("coin", sp)));
        if (cp > 0)
            sb.Append( " " + Loc.GetString("cp14-currency-examine-cp", ("coin", cp)));

        return sb.ToString();
    }

    public int GetTotalCurrency(EntityUid uid, CP14CurrencyComponent? currency = null)
    {
        if (!Resolve(uid, ref currency))
            return 0;

        var total = currency.Currency;

        if (TryComp<StackComponent>(uid, out var stack))
        {
            total *= stack.Count;
        }

        return total;
    }
}